The Result Comparison of CEN development in Three Years
As the rapid advancement of the Internet,the CENs (China Education Network)links both in and out documents change quickly.In the research of documents which belong to.edu.cn domain it is found that the network is seven times more than the original one.In this essay two networkstopological properties by the node degree distribution are studied and ten schools are picked up to have a contract with the ones three years before.The networks incoming and outgoing degree distribution both has a power law tail both in 3years ago and now.By analyzing the practical data,it is found that the fluctuations of schoolspage amounts are different in different schools but most of the schoolspages amounts are in an upward trend.Also there are huge changes in the percentage of the pages having outgoing page(s)in ten schools selected at random.As the former documents of China Education Network are located in four different levels,most of the documents now are located in five different levels or four levels,and they both constitute a complex directed network by self-organization.
complex directed network scale-free distribution topology contrast
Zhu-jun Deng Ning Zhang
Business School,University of Shanghai for Science and Technology
国际会议
2008 International Conference on System Management(2008年系统管理学术研讨会)(2008 CSM)
上海
英文
84-88
2008-05-30（万方平台首次上网日期，不代表论文的发表时间）